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Senior Software Engineer, Weave - Weights & Biases

Weights & Biases· Technology
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Hybrid (Multiple (Livingston, NJ; New York, NY; Sunnyvale, CA; Bellevue, WA; San Francisco, CA))$165k - $220kFull-timePosted 3mo ago

About the role

Weave is CoreWeave’s observability, evaluation, and monitoring platform for AI agents and GenAI applications. Build and scale core Weave functionality, integrate with agent harnesses/SDKs, improve backend performance, and develop UX features for AI workflows, while partnering with users to iterate rapidly.

Responsibilities

  • Implement robust and ergonomic APIs.
  • Design and build integrations with popular agent harnesses and SDKs such as Claude Code, Codex, pi.dev, OpenAI Agents SDK, etc.
  • Scale and improve backend performance to support low-latency, high-volume production use cases.
  • Build polished and intuitive features such as online LLM judges, playgrounds, evaluations, labeling, and tracing UX.
  • Partner directly with users to understand workflows, gather feedback, and rapidly iterate on solutions.

Qualifications

  • Bachelor’s degree in Computer Science or related field.
  • 8+ years of experience in Software Engineering.
  • Deep knowledge of Python and/or TypeScript.
  • Experience (personal or professional) in building AI agents.
  • Ability to operate effectively amid ambiguity and adapt rapidly to a changing environment.
  • Previous startup experience is a plus.

Skills

Required:PythonTypeScriptAPI designAI agentsBackend performance
Nice to have:User-facing features

Benefits

  • Medical, dental, and vision insurance - 100% paid for by CoreWeave
  • Company-paid Life Insurance
  • Voluntary supplemental life insurance
  • Short and long-term disability insurance
  • Flexible Spending Account
  • Health Savings Account
  • Tuition Reimbursement
  • Ability to Participate in Employee Stock Purchase Program (ESPP)
  • Mental Wellness Benefits through Spring Health
  • Family-Forming support provided by Carrot
  • Paid Parental Leave
  • Flexible, full-service childcare support with Kinside
  • 401(k) with a generous employer match
  • Flexible PTO
  • Catered lunch each day in our office and data center locations
  • A casual work environment
  • A work culture focused on innovative disruption
Last updated Oct 4, 2026. Interested? Apply on the company site.

About Weights & Biases

The AI developer platform to build AI agents, applications, and models with confidence

Weights & Biases AI development platform

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